L503, carriageway reduced to one lane direction Knittelfeld, between Fohnsdorf and S36 - Zeltweg-Ost

L503, roadworks direction Knittelfeld, between Fohnsdorf and S36 - Zeltweg-Ost

L503, single alternate line traffic in both directions, between Fohnsdorf and S36 - Zeltweg-Ost